Scalable video transmission over the IEEE 802.11e networks using cross-layer rate control

被引:4
|
作者
Foh, Chuan Heng [1 ]
Zhang, Yu [1 ]
Ni, Zefeng [1 ]
Cai, Jianfei [1 ]
机构
[1] Nanyang Technol Univ, Sch Comp Engn, Ctr Multimedia & Network Technol, Singapore, Singapore
关键词
D O I
10.1109/ICC.2007.294
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a novel cross-layer rate control scheme for optimizing 3D wavelet scalable video transmission over the IEEE 802.11e wireless local area networks. The proposed scheme consists of a macro and a micro rate control schemes residing at the application layer and the network sublayer respectively. The macro rate control uses bandwidth estimation to achieve optimal bit allocation with minimum distortion. The micro rate control employs an adaptive mapping of packets using video classifications. This prioritizes appropriately the video traffic to maximize the transmission protection to the important video packets. The performance is investigated by simulations showing advantages of our cross-layer design.
引用
收藏
页码:1760 / 1765
页数:6
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